(2013·陕西宝鸡市一模)—Would you like to go shopping with me on  Saturday or    Sunday?—I'm sorry. ________ will suit me. I'll be away on business    during that period.

For many seniors in some universities, the final year can be an unpleasant experience, _______ that ends the campus romance.

—He was early drowned in a pool.—Oh, when was ______ exactly?— It was in 1983 _______ he was swimming with his friends.

--Can I help you?  --I'd like to buy a present for my father's birthday, ___________ at a proper price but of great use.

______ is waiting for you at the gate. She’s got a letter for you.